CN111791708A

CN111791708A - Logistics vehicle and logistics system

Info

Publication number: CN111791708A
Application number: CN202010058602.8A
Authority: CN
Inventors: 王显旺
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-20
Also published as: WO2021143460A1; KR20220128987A; EP4052949A4; JP2023511007A; EP4052949A1; CA3160056A1; US20230002157A1

Abstract

The invention relates to a logistics vehicle and a logistics system. Wherein, the commodity circulation car includes: a frame; a climbing assembly comprising a climbing wheel movably disposed on the frame, the climbing wheel being configured to be extendable relative to the frame to cooperate with a vertically disposed first track assembly to move the logistics vehicle along the first track assembly, and the climbing wheel being configured to be retractable relative to the frame; the electricity taking assembly is movably arranged on the frame; the electricity taking assembly is configured to extend relative to the frame to take electricity when the climbing wheel extends relative to the frame and is matched with the first track assembly; the electricity take-off assembly is further configured to retract when the climbing wheel retracts relative to the frame. The logistics vehicle provided by the invention gets electricity when climbing, is beneficial to realizing climbing operation, and can not collide with goods shelves, a machine body or a track assembly and other foreign objects after climbing is finished, so that the safety risk is reduced.

Description

Logistics vehicle and logistics system

Technical Field

The invention relates to the field of storage logistics equipment, in particular to a logistics vehicle and a logistics system.

Background

The power supply of the sliding contact line is commonly used for moving equipment, such as logistics equipment of shuttle cars, cross belt sorting lines, stackers and the like, and has the advantages of high current, stability, reliability and large stroke, and the specific application form is as follows: the trolley line is arranged on a fixed part such as a goods shelf, a machine body and a track assembly, the current collector is arranged on a vehicle body or a moving part, the moving track of the vehicle body or the moving part is consistent with the arrangement shape of the trolley line, and the electric brush of the current collector is always in contact with the conductor of the trolley line, so that continuous power supply is ensured.

The partial equipment can cut off the sliding contact line on the partial motion track because the partial motion track is complex and does not need to supply power, the electric brush of the current collector is separated from the sliding contact line, and the sliding contact line is installed and connected with the current collector after the partial equipment reaches a simple route to ensure power supply.

The current collector and the sliding contact line are always in a contact state or a local interruption state, so that the structure is suitable for a vehicle body or equipment to do linear reciprocating motion or annular periodic motion in the same horizontal plane, and the structure cannot adapt to the situation when the vehicle body or the equipment needs to be separated from the original motion plane or a running track assembly is switched.

Disclosure of Invention

Some embodiments of the invention provide a logistics vehicle and a logistics system suitable for climbing operation.

Some embodiments of the present invention provide a logistics vehicle, comprising:

a frame;

a climbing assembly comprising a climbing wheel movably disposed on the frame, the climbing wheel being configured to be extendable relative to the frame to cooperate with a vertically disposed first track assembly to move the logistics vehicle along the first track assembly, and the climbing wheel being configured to be retractable relative to the frame; and

the electricity taking assembly is movably arranged on the frame; the electricity taking assembly is configured to extend relative to the frame to take electricity when the climbing wheel extends relative to the frame and is matched with the first track assembly; the electricity take-off assembly is further configured to retract when the climbing wheel retracts relative to the frame.

In some embodiments, the climbing assembly includes a first shaft movably disposed on the frame, and the climbing wheel is disposed on the first shaft.

In some embodiments, the climbing assembly includes a first guide sleeve, the first guide sleeve is fixedly disposed on the frame, and the first shaft is movably disposed through the first guide sleeve.

In some embodiments, the climbing assembly includes a support wheel disposed on the first shaft, the support wheel being located on an outer side of the frame relative to the climbing wheel, and a diameter of the support wheel being smaller than a diameter of the climbing wheel.

In some embodiments, the climbing assembly includes a second shaft movably disposed on the frame and a guide wheel disposed on the second shaft.

In some embodiments, the climbing assembly includes a second guide sleeve, the second guide sleeve is fixedly disposed on the frame, and the second shaft is movably disposed through the second guide sleeve.

In some embodiments, the climbing assembly includes a connecting plate connecting the first shaft and the second shaft; the logistics vehicle comprises a power component which is in driving connection with the connecting plate so as to drive the connecting plate to move relative to the vehicle frame.

In some embodiments, the electricity taking assembly is disposed on the connecting plate.

In some embodiments, the electricity-taking assembly comprises a guide rail, a slider and a current collector; the guide rail is movably arranged on the frame, the sliding block is movably arranged on the guide rail, and the current collector is arranged on the sliding block.

In some embodiments, the electricity taking assembly comprises a rotary power source, a first rod and a second rod, the rotary power source is arranged on the guide rail, the first end of the first rod is connected with the output shaft of the rotary power source, the second end of the first rod is connected with the first end of the second rod, and the second end of the second rod is connected with the sliding block.

In some embodiments, the climbing assemblies are disposed on opposite sides of the frame.

Some embodiments of the present invention provide a logistics system, which includes a first track assembly and the logistics vehicle, wherein the first track assembly is vertically arranged, and the logistics vehicle is configured to move along the first track assembly.

In some embodiments, the first track assembly comprises:

the first rail is vertically arranged, and the section of the first rail is U-shaped;

the rack is arranged in the U-shaped cavity of the first rail, arranged along the extending direction of the first rail and used for being matched with the climbing wheel;

and the sliding contact line is arranged in the U-shaped cavity of the first track, arranged along the extending direction of the first track and used for being matched with the electricity taking assembly to supply power.

In some embodiments, the climbing assembly includes a support wheel, and the first rail assembly includes a support guide disposed in a U-shaped cavity of the first rail and disposed along an extending direction of the first rail for cooperating with the support wheel to support, guide and limit the support wheel.

In some embodiments, the logistics system comprises at least two second track assemblies, the second track assemblies are transversely arranged, two adjacent second track assemblies are arranged above and below, and the logistics vehicle is configured to be movable along the second track assemblies and movable along the first track assemblies so as to be switched to the second track assemblies at different heights.

Based on the technical scheme, the invention at least has the following beneficial effects:

in some embodiments, when the logistics vehicle needs to move along the first track assembly, the climbing wheel extends relative to the frame to be matched with the vertically arranged first track assembly, and when climbing of the logistics vehicle is finished, the climbing wheel retracts relative to the frame and is positioned in the frame; simultaneously, get the electric assembly and stretch out for the frame climbing wheel, when cooperating with first track subassembly, stretch out for the frame to get the electricity, when climbing wheel is for the frame withdrawal, the subassembly of climbing is used for providing power for the climbing of commodity circulation car, and climbs the wheel and gets the electric assembly and can not produce the collision with foreign object such as goods shelves, organism or track subassembly, has reduced safe risk.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic illustration of a partial structure of a logistics cart provided in accordance with some embodiments of the present invention;

fig. 2 is a schematic view of a climbing wheel and a power take-off assembly of a logistics vehicle provided in accordance with some embodiments of the present invention being retracted relative to a frame;

fig. 3 is a schematic view of a climbing wheel and a power take-off assembly of a logistics vehicle provided in accordance with some embodiments of the present invention extending relative to a vehicle frame;

fig. 4 is a schematic view of a retracted state of a power-taking assembly according to some embodiments of the present invention;

fig. 5 is a schematic view of an unfolded state of a power take-off assembly according to some embodiments of the present invention;

FIG. 6 is a cross-sectional schematic view of a first track assembly provided in accordance with some embodiments of the present invention;

FIG. 7 is a schematic cross-sectional view of a logistics cart not moving in cooperation with a first track assembly provided in accordance with some embodiments of the present invention;

fig. 8 is a schematic cross-sectional view of a logistics cart moving in coordination with a first track assembly provided in accordance with some embodiments of the present invention.

1-a vehicle frame; 11-a wheel;

2-a climbing assembly; 21-climbing wheels; 22-a first shaft; 23-a first guide sleeve; 24-a support wheel; 25-a second axis; 26-a guide wheel; 27-a second guide sleeve; 28-a connecting plate;

3, taking a power component; 31-a guide rail; 32-a slide block; 33-a current collector; 34-a source of rotary power; 35-a first rod; 36-a second rod;

4-a first track assembly; 41-a first track; 42-a rack; 43-trolley line; 44-a support guide;

5-a second track assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

As shown in fig. 1, some embodiments provide a logistics vehicle, which includes a vehicle frame 1, a climbing assembly 2 and a power-taking assembly 3.

The vehicle frame 1 is the main body of the logistics vehicle.

As shown in fig. 2 and 3, the climbing assembly 2 comprises a climbing wheel 21, the climbing wheel 21 being movably arranged to the frame 1. The climbing wheel 21 is configured to be capable of extending relative to the frame 1 to cooperate with the vertically arranged first track assembly 4, so that the logistics vehicle moves along the first track assembly 4, and the climbing wheel 21 is configured to be capable of retracting relative to the frame 1 and is located in the frame 1, so that collision with foreign objects is avoided, and potential safety hazards are reduced.

The first track assembly 4 is vertically arranged, and the climbing wheel 21 transversely moves relative to the frame 1, namely the climbing wheel 21 transversely extends relative to the frame 1 and is matched with the vertically arranged first track assembly 4, so that the logistics vehicle moves up and down along the first track assembly 4.

The electricity taking assembly 3 is movably arranged on the frame 1, the electricity taking assembly 3 is configured to extend relative to the frame 1 when the climbing wheel 21 extends relative to the frame 1 and is matched with the first track assembly 4 so as to take electricity, power is provided for the logistics vehicle to move up and down along the first track assembly 4, and the electricity taking assembly 3 is configured to retract when the climbing wheel 21 retracts relative to the frame 1 so as to avoid collision with foreign objects and reduce potential safety hazards.

In some embodiments, the logistics vehicle further comprises a wheel 11, and the wheel 11 is arranged on the frame 1. The wheels 11 are used for moving on the second rail assembly 5 which is arranged transversely or horizontally.

Some embodiments provide a logistics vehicle that can move both on the second track assembly 5, which is laterally or horizontally disposed, and on the first track assembly 4, which is vertically disposed, therefore, the dead weight of the vehicle body is controlled strictly, the electric energy storage capacity of the vehicle body is limited, the energy consumption of the logistics vehicle is small when the logistics vehicle moves horizontally, the energy stored by the energy storage element of the vehicle body is enough to use, but the energy consumption is large during vertical climbing, and the vehicle body with the energy storage element can not provide enough energy, therefore, when the climbing wheel 21 extends out relative to the frame 1 to be matched with the first track assembly 4 and the logistics vehicle moves along the first track assembly 4, the electricity taking assembly 3 extends out relative to the frame 1 to take electricity, the vertical climbing working condition of the logistics vehicle is met, so that the logistics vehicle can move on the second track assembly 5 which is transversely or horizontally arranged, and can also move on the first track assembly 4 which is vertically arranged.

In some embodiments, since the climbing wheel 21 extends relative to the frame 1 to cooperate with the vertically arranged first rail assembly 4 when the logistics vehicle needs to move along the first rail assembly 4, the climbing wheel 21 retracts relative to the frame 1 and is positioned in the frame 1 when the logistics vehicle needs to move on the horizontally or horizontally arranged second rail assembly 5 after climbing; meanwhile, the electricity taking assembly 3 extends out of the frame 1 relative to the climbing wheel 21 and is matched with the first track assembly 4 so as to take electricity, when the climbing wheel 21 retracts relative to the frame 1, the electricity taking assembly retracts, and the climbing wheel 21 and the electricity taking assembly 3 cannot collide with goods shelves, machine bodies or track assemblies and other foreign objects, so that the risk is reduced.

In some embodiments, the climbing assembly 2 comprises a first shaft 22, the first shaft 22 being movably arranged to the frame 1, and the climbing wheel 21 being arranged to the first shaft 22. The climbing wheel 21 moves with the movement of the first shaft 22. The climbing wheel 21 is used for cooperating with the rack 42 of the first track assembly 4 to realize the movement of the logistics vehicle along the first track 41 of the first track assembly 4.

In some embodiments, the climbing assembly 2 includes a first guiding sleeve 23, the first guiding sleeve 23 is fixedly disposed on the frame 1, and the first shaft 22 is movably disposed through the first guiding sleeve 23. The first shaft 22 is coaxial with the first guide sleeve 23, the first shaft 22 moves along the first guide sleeve 23, and the first guide sleeve 23 guides the movement of the first shaft 22.

In some embodiments, the climbing assembly 2 comprises a support wheel 24, the support wheel 24 is arranged on the first shaft 22, the support wheel 24 is close to the outer side of the frame 1 relative to the climbing wheel 21, and the diameter of the support wheel 24 is smaller than that of the climbing wheel 21. The support wheels 24 are adapted to cooperate with the support guides 44 of the first track assembly 4 to support, limit and guide the movement of the trolley along the first track 41 of the first track assembly 4.

In some embodiments, the climbing assembly 2 comprises a second shaft 25 and a guide wheel 26, the second shaft 25 being movably arranged at the frame 1, the guide wheel 26 being arranged at the second shaft 25. The guide wheel 26 moves with the movement of the second shaft 25. The guide wheels 26 are adapted to engage the inner wall of the U-shaped cavity of the first rail 41 of the first rail assembly 4 to guide the movement of the trolley along the first rail 41 of the first rail assembly 4.

In some embodiments, the climbing assembly 2 includes a second guiding sleeve 27, the second guiding sleeve 27 is fixedly disposed on the frame 1, and the second shaft 25 is movably disposed through the second guiding sleeve 27. The second shaft 25 is coaxial with a second guide sleeve 27, the second shaft 25 moving along the second guide sleeve 27, the second guide sleeve 27 guiding the movement of the second shaft 25.

In some embodiments, the first axis 22 is parallel to the second axis 25, and the second axis 25 is located above the first axis 22. The electricity taking assembly 3 is arranged between the first shaft 22 and the second shaft 25.

In some embodiments, the climbing assembly 2 includes a connecting plate 28, the connecting plate 28 connecting the first shaft 22 and the second shaft 25. The logistics vehicle comprises a power unit which is in driving connection with the connecting plate 28 so as to drive the connecting plate 28 to move relative to the vehicle frame 1. The connecting plate 28 moves relative to the frame 1 and in turn the first axle 22 and the second axle 25 move relative to the frame 1.

The connecting plate 28 connects the first end of the first shaft 22 and the first end of the second shaft 25, respectively, the climbing wheel 21 and the supporting wheel 24 are mounted on the second end of the first shaft 22, and the guide wheel 26 is mounted on the second end of the second shaft 25.

In some embodiments, the electricity taking assembly 3 is disposed on the connection plate 28. The electricity taking component 3 moves along with the movement of the connecting plate 28. The electricity-taking assembly 3 is installed on a first side of the connecting plate 28, the first shaft 22 and the second shaft 25 are installed on the first side of the connecting plate 28, and the electricity-taking assembly 3 is located between the first shaft 22 and the second shaft 25.

Under the driving action of the power component, the first shaft 22 and the second shaft 25 can synchronously extend out of the frame 1 along the first guide sleeve 23 and the second guide sleeve 27 respectively, and simultaneously, the electricity taking assembly 3 also synchronously extends out of the frame 1, as shown in fig. 3.

Under the driving action of the power component, the first shaft 22 and the second shaft 25 can synchronously retract towards the inside of the frame 1 along the first guide sleeve 23 and the second guide sleeve 27 respectively, and simultaneously, the electricity taking assembly 3 also synchronously retracts towards the inside of the frame 1, as shown in fig. 2.

The electricity taking assembly 3 is arranged on the climbing assembly 2, can stretch together with the guide wheel 26, the climbing wheel 21, the supporting wheel 24 and the like, is not separately fixedly arranged, and has simple structure and good synchronism.

In some embodiments, as shown in fig. 4 and 5, the electricity taking assembly 3 includes a guide rail 31, a slider 32, and a current collector 33; the guide rail 31 is movably provided to the vehicle body frame 1, the slider 32 is movably provided to the guide rail 31, and the collector 33 is provided to the slider 32. The current collector 33 is used to engage with the trolley line 43 of the first track assembly 1 to take electricity. When the logistics vehicle climbs, the electric brush of the current collector 33 can be always in contact with the conductor of the trolley line 43, and continuous power supply is guaranteed.

The guide rail 31 extends in the same direction as the first shaft 22 and the second shaft 25. The sliding direction of the slider 32 coincides with the extending direction of the first shaft 22 and the second shaft 25.

When the logistics vehicle runs vertically along the first track assembly 4, the current collector 33 extends out relative to the vehicle frame 1 and is connected with the trolley line 43 of the first track assembly 1 to take power, and when the logistics vehicle runs transversely or horizontally along the second track assembly 5, the current collector 33 retracts into the interior of the vehicle frame 1 relative to the vehicle frame 1 to avoid collision with fixed parts such as a goods shelf, a machine body or a track assembly.

In some embodiments, the electricity taking assembly 3 includes a rotating power source 34, a first rod 35 and a second rod 36, the rotating power source 34 is disposed on the guide rail 31, a first end of the first rod 35 is connected to an output shaft of the rotating power source 34, a second end of the first rod 35 is connected to a first end of the second rod 36, and a second end of the second rod 36 is connected to the sliding block 32.

The rotary power source 34 includes a motor, a rotary cylinder, or the like.

The guide rail 31, the first rod 35, the second rod 36 and the slide block 32 form a set of crank-link slide block mechanism, the current collector 33 is installed at one end of the slide block 32, the slide block 32 drives the current collector 33 to reciprocate under the driving of the rotary power source 34, and the reciprocating stroke of the current collector 33 can be controlled by controlling the rotation angle of the rotary power source 34.

The state when the current collector 33 is extended is shown in fig. 5, and the state when the current collector 33 is retracted is shown in fig. 4.

The electricity taking assembly 3 has a telescopic function and is controllable in stroke, so that the telescopic stroke of the current collector 33 is increased and the position of the current collector is controllable, the contact reliability of the current collector 33 and the trolley line 43 is improved, the current collector 33 can be completely retracted into the frame 1, and the risk of collision with fixed parts such as a goods shelf, a machine body and a track assembly is eliminated. And when the logistics vehicle is switched between horizontal movement and vertical movement, the connection or disconnection of the current collector 33 and the sliding contact line 43 can be smoothly realized, the telescopic position of the current collector 33 is ensured to be controllable, and the connection and disconnection safety is improved.

In some embodiments, the frame 1 is provided with climbing assemblies 2 on opposite sides thereof. Each logistics vehicle is provided with two or more sets of climbing assemblies 2, and the climbing assemblies 2 are symmetrically distributed on the left side and the right side of the vehicle frame 1.

Some embodiments provide a logistics system, which includes the first track assembly 4 and the logistics vehicle of the above embodiments, wherein the first track assembly 4 is vertically arranged, and the logistics vehicle is configured to be movable along the first track assembly 4.

In some embodiments, as shown in fig. 6, the first track assembly 4 includes a first track 41, a rack 42, and a trolley line 43.

The first rail 41 is vertically disposed, and has a U-shaped cross section.

The rack 42 is disposed in the U-shaped cavity of the first rail 41, and is disposed along the extending direction of the first rail 41, and is used for being matched with the climbing wheel 21. The climbing wheel 21 is a gear and is meshed with the rack 42 to realize the lifting movement of the logistics vehicle.

The trolley line 43 is disposed in the U-shaped cavity of the first rail, and is disposed along the extending direction of the first rail 31, and is used for supplying power in cooperation with the current collector 33 of the power-taking assembly 3.

When the electricity-taking assembly 3 takes electricity, the brush of the current collector 33 is always in contact with the conductor of the trolley line 43, so that continuous power supply is ensured.

In some embodiments, the first rail assembly 4 includes a support guide 44, and the support guide 44 is disposed in a U-shaped cavity of the first rail 41 and is disposed along an extending direction of the first rail 41, and is used for cooperating with the support wheel 24 to support, guide and limit the support wheel 24.

In some embodiments, the logistics system includes at least two second track assemblies 5, the second track assemblies 5 are arranged transversely or horizontally, two adjacent second track assemblies 5 are arranged up and down, and the logistics vehicles are configured to be movable along the second track assemblies 5 and movable along the first track assemblies 4 to switch to the second track assemblies 5 located at different heights.

In some embodiments, the second track assembly 5 is disposed horizontally and the first track assembly 4 is disposed vertically with respect to the horizontal. The climbing assembly 2 can do telescopic motion along the horizontal direction of the frame 1; the electricity taking assembly 3 is arranged on the climbing assembly 2; the number of first track assemblies 4 is the same as the number of climbing assemblies 2.

When the logistics vehicle is converted from horizontal movement to vertical climbing movement, the current collector 33 needs to be placed at a proper position and well contacted with the sliding contact line 43, and when the logistics vehicle moves horizontally, the current collector 33 is retracted and placed in the frame 1, so that foreign objects are prevented from being scraped during movement.

When the logistics vehicle moves horizontally along the second track assembly 5, the climbing assembly 2 and the electricity taking assembly 3 are both in a contracted state, the current collector 33 is retracted into the vehicle frame 1, and the relative positions of the logistics vehicle and the first track assembly 4 are shown in fig. 7.

As shown in fig. 8, when the logistics vehicle needs to climb, the climbing assembly 2 extends out of the vehicle frame 1, the guide wheel 26, the climbing wheel 21 and the support wheel 24 extend into the U-shaped cavity of the first rail 41, the climbing wheel 21 is meshed with the rack 42, meanwhile, the electricity taking assembly 3 also extends out of the vehicle frame 1, and the current collector 33 is in contact with the trolley line 43, so as to ensure that the logistics vehicle is powered.

After climbing is finished, the climbing assembly 2 and the electricity taking assembly 3 are retracted.

In the description of the present invention, it should be understood that the terms "first", "second", and the like are used for limiting the components, and are used only for the convenience of distinguishing the components, and the terms have no special meaning if not stated otherwise, and thus should not be construed as limiting the scope of the present invention.

Furthermore, the technical features of one embodiment may be combined with one or more other embodiments advantageously without explicit negatives.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims

1. A logistics vehicle, comprising:

a frame (1);

the climbing assembly (2) comprises a climbing wheel (21) which is movably arranged on the frame (1), the climbing wheel (21) is configured to be capable of extending relative to the frame (1) so as to be matched with a first rail assembly (4) which is vertically arranged, the logistics vehicle is enabled to move along the first rail assembly (4), and the climbing wheel (21) is configured to be capable of retracting relative to the frame (1); and

the electricity taking assembly (3) is movably arranged on the frame (1); the electricity taking assembly (3) is configured to extend relative to the frame (1) to take electricity when the climbing wheel (21) extends relative to the frame (1) and is matched with the first track assembly (4); the electricity take-up assembly (3) is further configured to retract when the climbing wheel (21) retracts relative to the frame (1).

2. A logistics vehicle as claimed in claim 1, wherein the climbing assembly (2) comprises a first shaft (22), wherein the first shaft (22) is movably arranged on the frame (1), and the climbing wheel (21) is arranged on the first shaft (22).

3. The logistics vehicle of claim 2, wherein the climbing assembly (2) comprises a first guide sleeve (23), the first guide sleeve (23) is fixedly arranged on the vehicle frame (1), and the first shaft (22) is movably arranged through the first guide sleeve (23).

4. Logistic vehicle according to claim 2, characterised in that the climbing assembly (2) comprises a support wheel (24), the support wheel (24) being provided on the first shaft (22), the support wheel (24) being located close to the outer side of the frame (1) with respect to the climbing wheel (21), the support wheel (24) having a smaller diameter than the diameter of the climbing wheel (21).

5. Logistic vehicle according to claim 2, characterised in that the climbing assembly (2) comprises a second shaft (25) and a guide wheel (26), the second shaft (25) being movably arranged to the frame (1) and the guide wheel (26) being arranged to the second shaft (25).

6. The logistics vehicle of claim 5, wherein the climbing assembly (2) comprises a second guide sleeve (27), the second guide sleeve (27) is fixedly arranged on the frame (1), and the second shaft (25) is movably arranged through the second guide sleeve (27).

7. Logistics vehicle according to claim 5, wherein the climbing assembly (2) comprises a connection plate (28), the connection plate (28) connecting the first shaft (22) and the second shaft (25); the logistics vehicle comprises a power component which is in driving connection with the connecting plate (28) so as to drive the connecting plate (28) to move relative to the vehicle frame (1).

8. The logistics vehicle of claim 7, wherein the electricity taking assembly (3) is arranged on the connecting plate (28).

9. The logistics vehicle of claim 1, wherein the electricity taking assembly (3) comprises a guide rail (31), a sliding block (32) and a current collector (33); the guide rail (31) is movably arranged on the frame (1), the sliding block (32) is movably arranged on the guide rail (31), and the current collector (33) is arranged on the sliding block (32).

10. The logistics vehicle of claim 9, wherein the electricity taking assembly (3) comprises a rotary power source (34), a first rod (35) and a second rod (36), the rotary power source (34) is arranged on the guide rail (31), a first end of the first rod (35) is connected with an output shaft of the rotary power source (34), a second end of the first rod (35) is connected with a first end of the second rod (36), and a second end of the second rod (36) is connected with the sliding block (32).

11. Logistic vehicle according to claim 1, characterised in that the climbing assemblies (2) are provided on both opposite sides of the frame (1).

12. Logistics system, characterized in that it comprises a first track assembly (4) and a logistics vehicle according to any of claims 1 to 11, wherein the first track assembly (4) is vertically arranged and the logistics vehicle is configured to be movable along the first track assembly (4).

13. Logistics system according to claim 12, wherein the first track assembly (4) comprises:

a first rail (41) which is vertically arranged and has a U-shaped section;

the rack (42) is arranged in a U-shaped cavity of the first rail (41), arranged along the extending direction of the first rail (31) and used for being matched with the climbing wheel (21);

and the sliding contact line (43) is arranged in the U-shaped cavity of the first track, arranged along the extending direction of the first track (31) and used for being matched with the electricity taking assembly (3) for supplying electricity.

14. Logistics system according to claim 12, wherein the climbing assembly (2) comprises support wheels (24), and wherein the first track assembly (4) comprises support guides (44), the support guides (44) being arranged in a U-shaped cavity of the first track (41) and being arranged along the extension of the first track (41) for cooperating with the support wheels (24) for supporting, guiding and retaining the support wheels (24).

15. Logistics system according to claim 12, comprising at least two second track assemblies (5), wherein the second track assemblies (5) are arranged laterally, wherein two adjacent second track assemblies (5) are arranged one above the other, wherein the logistics vehicles are configured to be movable along the second track assemblies (5) and along the first track assemblies (4) for switching to second track assemblies (5) located at different heights.